org.apache.solr.handler.component

Class FieldFacetStats

java.lang.Object

org.apache.solr.handler.component.FieldFacetStats

public class FieldFacetStats
extends Object

FieldFacetStats is a utility to accumulate statistics on a set of values in one field, for facet values present in another field.

9/10/2009 - Moved out of StatsComponent to allow open access to UnInvertedField

See Also:

StatsComponent

Field Summary

Fields

Modifier and Type	Field and Description
Map<String,StatsValues>	facetStatsValues
String	name

Constructor Summary

Constructors

Constructor and Description
FieldFacetStats(SolrIndexSearcher searcher, String name, SchemaField field_sf, SchemaField facet_sf, boolean calcDistinct)

Method Summary

Modifier and Type	Method and Description
void	accumulateMissing()
boolean	accumulateTermNum(int statsTermNum, org.apache.lucene.util.BytesRef value)
void	facet(int docID)
void	facetMissingNum(int docID)
boolean	facetTermNum(int docID, int statsTermNum)
void	setNextReader(org.apache.lucene.index.AtomicReaderContext ctx)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

name

public final String name

facetStatsValues

public final Map<String,StatsValues> facetStatsValues

Constructor Detail

FieldFacetStats

public FieldFacetStats(SolrIndexSearcher searcher,
                       String name,
                       SchemaField field_sf,
                       SchemaField facet_sf,
                       boolean calcDistinct)

Method Detail

facet

public void facet(int docID)
           throws IOException

Throws:

IOException

facetTermNum

public boolean facetTermNum(int docID,
                            int statsTermNum)
                     throws IOException

Throws:

IOException

accumulateTermNum

public boolean accumulateTermNum(int statsTermNum,
                                 org.apache.lucene.util.BytesRef value)
                          throws IOException

Throws:

IOException

setNextReader

public void setNextReader(org.apache.lucene.index.AtomicReaderContext ctx)
                   throws IOException

Throws:

IOException

facetMissingNum

public void facetMissingNum(int docID)
                     throws IOException

Throws:

IOException

accumulateMissing

public void accumulateMissing()
                       throws IOException

Throws:

IOException